/*
 * Copyright (c) 2020-2030 ZHENGGENGWEI(码匠君)<herodotus@aliyun.com>
 *
 * Dante Engine licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Dante Engine 采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
 *
 * 1.请不要删除和修改根目录下的LICENSE文件。
 * 2.请不要删除和修改 Dante Cloud 源码头部的版权声明。
 * 3.请保留源码和相关描述文件的项目出处，作者声明等。
 * 4.分发源码时候，请注明软件出处 https://gitee.com/herodotus/dante-engine
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 * 6.若您的项目无法满足以上几点，可申请商业授权
 */

package cn.herodotus.engine.message.websocket.definition;

import cn.herodotus.engine.cache.redis.utils.RedisBitMapUtils;
import cn.herodotus.engine.message.core.constants.MessageConstants;
import cn.herodotus.engine.message.websocket.processor.WebSocketMessageSender;
import cn.herodotus.engine.message.websocket.utils.WebSocketUtils;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;

/**
 * <p>Description: 公共 WebSocketUserListener </p>
 *
 * @author : gengwei.zheng
 * @date : 2022/12/29 22:20
 */
public abstract class AbstractWebSocketListener<E extends ApplicationEvent> implements ApplicationListener<E> {

    private final WebSocketMessageSender webSocketMessageSender;

    public AbstractWebSocketListener(WebSocketMessageSender webSocketMessageSender) {
        this.webSocketMessageSender = webSocketMessageSender;
    }

    private int getOnlineCount() {
        Long count = RedisBitMapUtils.bitCount(MessageConstants.REDIS_CURRENT_ONLINE_USER);
        return count.intValue();
    }

    protected void syncUserCountToAll() {
        int count = WebSocketUtils.getOnlineCount();
        webSocketMessageSender.sendOnlineToAll(count);
    }
}
